Home / 18,012,763.25-27,018,829.63-7,084,087.86

Finding the Fourth Proportional to 18,012,763.25, 27,018,829.63 and 7,084,087.86

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Solution

The fourth proportional to 18,012,763.25, 27,018,829.63 and 7,084,087.86 is: 10,626,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012,763.25 : 27,018,829.63 = 7,084,087.86 : x
  2. Step 2: Convert to fraction form
    18,012,763.25/27,018,829.63 = 7,084,087.86/x
  3. Step 3: Cross multiply
    18,012,763.25x = 27,018,829.63 × 7,084,087.86
  4. Step 4: Simplify right side
    18,012,763.25x = 191,403,762,937,870.88
  5. Step 5: Solve for x
    x = 191,403,762,937,870.88/18,012,763.25
  6. Step 6: Final answer
    x = 10,626,007.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.